Finite Group Databasebeta
Cayley diagram

C22⋊(C7⋊C16) #89344

order448
isoclinismisoclinic class of Dic14
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊(C7⋊C16)

Splittings

SylowC7 ⋊ C22⋊C16

Subgroups

subgroupG/H
center, FrattiniC2×C8C2×D7
commutatorC2×C7C2×C16
FittingC22×C7×C8C2
socleC22×C7C2×C8
prime radicalC23×C7C8
cosocleC2×C7×C8C22
hypercenterC22×C8D7
hypocenterC7C22⋊C16
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C8 ◁ C22×C8

66 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 2 generators on 27 points:

(1,2,4,6,7,5,3)(9,11);(2,3)(4,5)(6,7)(8,9)(10,11)(12,13,14,17,15,18,20,23,16,19,21,24,22,25,26,27)

Polycyclic presentation:

2^6,7|a^2=c,c^2=e,e^2=f,b^a=bd,g^a=g^6

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11725291, #11725292, #11725293, …
maximal normal subgroup of#11725291, #11725292, #11725293, …
maximal quotient of#11725463, #11725479, #11725515, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 106);